Parens, J. (2006). An Islamic philosophy of virtuous religions: Introducing Alfarabi. State University of New York Press.

Parens, Joshua. An Islamic Philosophy of Virtuous Religions: Introducing Alfarabi. Albany: State University of New York Press, 2006.

Parens, Joshua. An Islamic Philosophy of Virtuous Religions: Introducing Alfarabi. State University of New York Press, 2006.